160-220g polyester mat used for APP/SBS

The polyester mat adopts highly strong polyester fiber which is excellent in tensile strengh, aging resistence, high temperature resistence and elongation. And it's the first chosen bottom cloth for sbs/app... product description specificationtensile strengthelongationpercentage of thermal shrinkagedown/cross160g/m²300N/250N20%1.5%180g/m²350N/300N20%1.5%200g/m²400N/400N25%1.5%220g/m²500N/500N30%1.5%(ONLY FOR YOUR REFERENCE) WE CAN PRODUCE GOODS AS YOU NEED.